Re: [PATCH v6] drm/amdkfd: Change kfd/svm page fault drain handling

2024-08-22 Thread Philip Yang
On 2024-08-21 18:01, Xiaogang.Chen wrote: From: Xiaogang Chen When app unmap vm ranges(munmap) kfd/svm starts drain pending page fault and not handle any incoming pages fault of this process until a deferred work item got executed by default system wq. The

[PATCH v6] drm/amdkfd: Change kfd/svm page fault drain handling

2024-08-21 Thread Xiaogang . Chen
From: Xiaogang Chen When app unmap vm ranges(munmap) kfd/svm starts drain pending page fault and not handle any incoming pages fault of this process until a deferred work item got executed by default system wq. The time period of "not handle page fault" can be long and is unpredicable. That is ad